<div class="eye">
    <div class="up"></div>
    <div class="mid"></div> 
    <div class="down"></div> 
</div>
<style>
/* From Uiverse.io by HyuOniichan - Tags: loader */
.eye {
  width: 100px;
  height: 60px;
  position: relative;
  z-index: 1;
}

.up {
  position: absolute;
  top: 0px;
  height: 100px;
  width: 100px;
  border-width: 2px;
  border-style: solid;
  border-color: black transparent transparent transparent;
  border-radius: 50%;
  z-index: 1;
}

.down {
  position: absolute;
  top: -70px;
  height: 100px;
  width: 100px;
  border-width: 2px;
  border-style: solid;
  border-color: transparent transparent black transparent;
  border-radius: 50%;
  z-index: 1;
}

.mid {
  position: absolute;
  top: 1px;
  left: 39px;
  width: 27px;
  height: 27px;
  border: none;
  border-radius: 50%;
  background-color: black;
  z-index: 0;
  animation: eyemove 4s infinite;
}

@keyframes eyemove {
  0% {
    left: 30px;
    background-color: rgb(164, 213, 230);
  }

  50% {
    left: 43px;
    background-color: rgb(45, 187, 235);
  }

  100% {
    left: 30px;
    background-color: rgb(164, 213, 230);
  }
}


</style>
